/**
 * Express.js Session示例
 */

//导入Express模块
const express = require("express");
//导入Session模块
const session = require("express-session")
//创建Express应用
const app = express();
//Express http服务端口
const port = 3001;

//使用session中间件
app.use(session({
    secret:"secret key",
    resave:false,
    saveUninitialized:false,
}));

app.get("/",function(req,res){
    let body = "";
    if(req.session.views){
        req.session.views += 1;
    }else{
        req.session.views = 1;
        body += `<p>第一次访问</>`;
    }

    res.send(`${body} <p>已访问<strong>${req.session.views}</strong>次</p>`);
});

//启动Express服务
app.listen(port,function(){
    console.log(`MyApp访问地址：http://127.0.0.1:${port}`);
});